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Specify sudo password for Ansible
...ctory layout:
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|_ playbook.yml
|_ secret
|_ hosts
|_ vault.txt
You can read more about Ansible Vault here: https://docs.ansible.com/playbooks_vault.html
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Rollback to last git commit
...t answer with 36 up votes. I've just lost a days work to this... because I read the answer not the comment. This is not the correct answer to the question!
– Chris Nevill
Aug 7 '15 at 11:13
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How do you create optional arguments in php?
...ent optional parameter. For example, for the date() function, the manual reads:
6 Answers
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Join/Where with LINQ and Lambda
...ax is cleaner (I change between the two depending upon which is easiest to read).
The thing I'd like to point out though is that if you have appropriate foreign keys in your database, (between post and post_meta) then you probably don't need an explicit join unless you're trying to load a large num...
Reset keys of array elements in php?
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Please do read the manual you're linking to; reset does something else.
– deceze♦
Mar 29 '15 at 13:40
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Use JSTL forEach loop's varStatus as an ID
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This provides the exact same answer as was already provided 3 years earlier (use varStatus.count), only much less readable. Why bother reading other people's answers? ;)
– rustyx
Mar 30 '15 at 20:18
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abort, terminate or exit?
...de if the user gave input that could not be parsed, or a file could not be read. An exit code of 0 indicates success. exit also optionally calls handlers before it ends the program. These are registered with the atexit and on_exit functions.
std::terminate is what is automatically called in a C++ pr...
Responsive font size in CSS
...t look puny on a desktop! Perfect... Oh. Huh, now the text is too small to read when viewed on a phone. Okay, well I can just use "max(x,y)" to make sure it doesn't get shrunk beyond a minimum size. Perfect... Oh. Hmm. Looks like "max" isn't supported properly by Chrome. Okay, well guess I'll just u...
PHP exec() vs system() vs passthru()
...g.
There are also proc_open() and popen() which allow you to interactively read/write streams with an executing command.
Add "2>&1" to the command string if you also want to capture/display error messages.
Use escapeshellcmd() to escape command arguments that may contain problem characters.
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Is it Linq or Lambda?
... general, we recommend query syntax because it is usually simpler and more readable; however there is no semantic difference between method syntax and query syntax."
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